61325737 has 4 divisors (see below), whose sum is σ = 66900816. Its totient is φ = 55750660.

The previous prime is 61325731. The next prime is 61325743. The reversal of 61325737 is 73752316.

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 an interprime number because it is at equal distance from previous prime (61325731) and next prime (61325743).

It is a cyclic number.

It is not a de Polignac number, because 61325737 - 2³ = 61325729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61325731) 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, 2787523 + ... + 2787544.

It is an arithmetic number, because the mean of its divisors is an integer number (16725204).

Almost surely, 2^61325737 is an apocalyptic number.

It is an amenable number.

61325737 is a deficient number, since it is larger than the sum of its proper divisors (5575079).

61325737 is a wasteful number, since it uses less digits than its factorization.

61325737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5575078.

The product of its digits is 26460, while the sum is 34.

The square root of 61325737 is about 7831.0750858359. The cubic root of 61325737 is about 394.3491648257.

The spelling of 61325737 in words is "sixty-one million, three hundred twenty-five thousand, seven hundred thirty-seven".