612398253 has 16 divisors (see below), whose sum is σ = 896878080. Its totient is φ = 369960624.

The previous prime is 612398243. The next prime is 612398261. The reversal of 612398253 is 352893216.

It is not a de Polignac number, because 612398253 - 2⁵ = 612398221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612398243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232251 + ... + 234872.

It is an arithmetic number, because the mean of its divisors is an integer number (56054880).

Almost surely, 2^612398253 is an apocalyptic number.

It is an amenable number.

612398253 is a deficient number, since it is larger than the sum of its proper divisors (284479827).

612398253 is a wasteful number, since it uses less digits than its factorization.

612398253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467168.

The product of its digits is 77760, while the sum is 39.

The square root of 612398253 is about 24746.6816563353. The cubic root of 612398253 is about 849.2025984274.

The spelling of 612398253 in words is "six hundred twelve million, three hundred ninety-eight thousand, two hundred fifty-three".