61257023 has 6 divisors (see below), whose sum is σ = 63297792. Its totient is φ = 59280060.

The previous prime is 61257013. The next prime is 61257037. The reversal of 61257023 is 32075216.

It is not a de Polignac number, because 61257023 - 2⁶ = 61256959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61256983 and 61257001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61257013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30911 + ... + 32832.

It is an arithmetic number, because the mean of its divisors is an integer number (10549632).

Almost surely, 2^61257023 is an apocalyptic number.

61257023 is a deficient number, since it is larger than the sum of its proper divisors (2040769).

61257023 is an equidigital number, since it uses as much as digits as its factorization.

61257023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63805 (or 63774 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 61257023 is about 7826.6865914000. The cubic root of 61257023 is about 394.2018235583.

The spelling of 61257023 in words is "sixty-one million, two hundred fifty-seven thousand, twenty-three".