7610561 has 8 divisors (see below), whose sum is σ = 8820864. Its totient is φ = 6431040.

The previous prime is 7610521. The next prime is 7610563. The reversal of 7610561 is 1650167.

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

It is not a de Polignac number, because 7610561 - 2⁶ = 7610497 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7610561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7610563) 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, 7160 + ... + 8153.

It is an arithmetic number, because the mean of its divisors is an integer number (1102608).

Almost surely, 2^7610561 is an apocalyptic number.

7610561 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

It is an amenable number.

7610561 is a deficient number, since it is larger than the sum of its proper divisors (1210303).

7610561 is a wasteful number, since it uses less digits than its factorization.

7610561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15391.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 7610561 is about 2758.7245241234. The cubic root of 7610561 is about 196.7005422192.

The spelling of 7610561 in words is "seven million, six hundred ten thousand, five hundred sixty-one".