7561057 has 8 divisors (see below), whose sum is σ = 8686656. Its totient is φ = 6446832.

The previous prime is 7561019. The next prime is 7561063. The reversal of 7561057 is 7501657.

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

It is not a de Polignac number, because 7561057 - 2⁷ = 7560929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7561007) 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, 1363 + ... + 4120.

It is an arithmetic number, because the mean of its divisors is an integer number (1085832).

Almost surely, 2^7561057 is an apocalyptic number.

It is an amenable number.

7561057 is a deficient number, since it is larger than the sum of its proper divisors (1125599).

7561057 is a wasteful number, since it uses less digits than its factorization.

7561057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5687.

The product of its (nonzero) digits is 7350, while the sum is 31.

The square root of 7561057 is about 2749.7376238470. The cubic root of 7561057 is about 196.2731250557.

The spelling of 7561057 in words is "seven million, five hundred sixty-one thousand, fifty-seven".