61253255 has 16 divisors (see below), whose sum is σ = 87657984. Its totient is φ = 40175520.

The previous prime is 61253239. The next prime is 61253273. The reversal of 61253255 is 55235216.

It is a happy number.

It is not a de Polignac number, because 61253255 - 2⁴ = 61253239 is a prime.

It is a super-2 number, since 2×61253255² = 7503922496190050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37241 + ... + 38850.

It is an arithmetic number, because the mean of its divisors is an integer number (5478624).

Almost surely, 2^61253255 is an apocalyptic number.

61253255 is a deficient number, since it is larger than the sum of its proper divisors (26404729).

61253255 is a wasteful number, since it uses less digits than its factorization.

61253255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76126.

The product of its digits is 9000, while the sum is 29.

The square root of 61253255 is about 7826.4458728084. The cubic root of 61253255 is about 394.1937407684.

The spelling of 61253255 in words is "sixty-one million, two hundred fifty-three thousand, two hundred fifty-five".