25550061 has 8 divisors (see below), whose sum is σ = 34090560. Its totient is φ = 17021472.

The previous prime is 25550059. The next prime is 25550113. The reversal of 25550061 is 16005552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25550061 - 2¹ = 25550059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25550561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5400 + ... + 8958.

It is an arithmetic number, because the mean of its divisors is an integer number (4261320).

Almost surely, 2^25550061 is an apocalyptic number.

It is an amenable number.

25550061 is a deficient number, since it is larger than the sum of its proper divisors (8540499).

25550061 is a wasteful number, since it uses less digits than its factorization.

25550061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5955.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 25550061 is about 5054.7068164237. The cubic root of 25550061 is about 294.5307525899.

The spelling of 25550061 in words is "twenty-five million, five hundred fifty thousand, sixty-one".