61723625320531 has 8 divisors (see below), whose sum is σ = 65421733137264. Its totient is φ = 58032995984640.

The previous prime is 61723625320501. The next prime is 61723625320597. The reversal of 61723625320531 is 13502352632716.

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

It is a cyclic number.

It is not a de Polignac number, because 61723625320531 - 2⁵ = 61723625320499 is a prime.

It is a super-2 number, since 2×61723625320531² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61723625320501) 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, 1869603210 + ... + 1869636223.

It is an arithmetic number, because the mean of its divisors is an integer number (8177716642158).

Almost surely, 2^{61723625320531} is an apocalyptic number.

61723625320531 is a deficient number, since it is larger than the sum of its proper divisors (3698107816733).

61723625320531 is a wasteful number, since it uses less digits than its factorization.

61723625320531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3739240421.

The product of its (nonzero) digits is 1360800, while the sum is 46.

The spelling of 61723625320531 in words is "sixty-one trillion, seven hundred twenty-three billion, six hundred twenty-five million, three hundred twenty thousand, five hundred thirty-one".