151312247 has 2 divisors, whose sum is σ = 151312248. Its totient is φ = 151312246.

The previous prime is 151312211. The next prime is 151312261. The reversal of 151312247 is 742213151.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 151312247 - 2¹² = 151308151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151312267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75656123 + 75656124.

It is an arithmetic number, because the mean of its divisors is an integer number (75656124).

Almost surely, 2^151312247 is an apocalyptic number.

151312247 is a deficient number, since it is larger than the sum of its proper divisors (1).

151312247 is an equidigital number, since it uses as much as digits as its factorization.

151312247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1680, while the sum is 26.

The square root of 151312247 is about 12300.9043163501. The cubic root of 151312247 is about 532.8741998655.

Adding to 151312247 its reverse (742213151), we get a palindrome (893525398).

The spelling of 151312247 in words is "one hundred fifty-one million, three hundred twelve thousand, two hundred forty-seven".