61024657 has 4 divisors (see below), whose sum is σ = 61042240. Its totient is φ = 61007076.

The previous prime is 61024651. The next prime is 61024661. The reversal of 61024657 is 75642016.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61024657 - 2⁷ = 61024529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61024651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1653 + ... + 11170.

It is an arithmetic number, because the mean of its divisors is an integer number (15260560).

Almost surely, 2^61024657 is an apocalyptic number.

It is an amenable number.

61024657 is a deficient number, since it is larger than the sum of its proper divisors (17583).

61024657 is a wasteful number, since it uses less digits than its factorization.

61024657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17582.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 61024657 is about 7811.8280191003. The cubic root of 61024657 is about 393.7027506250.

The spelling of 61024657 in words is "sixty-one million, twenty-four thousand, six hundred fifty-seven".