697937053 has 4 divisors (see below), whose sum is σ = 761385888. Its totient is φ = 634488220.

The previous prime is 697937041. The next prime is 697937059. The reversal of 697937053 is 350739796.

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 697937053 - 2²¹ = 695839901 is a prime.

It is a super-2 number, since 2×697937053² = 974232259900649618, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 697936988 and 697937006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697937059) 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, 31724401 + ... + 31724422.

It is an arithmetic number, because the mean of its divisors is an integer number (190346472).

Almost surely, 2^697937053 is an apocalyptic number.

It is an amenable number.

697937053 is a deficient number, since it is larger than the sum of its proper divisors (63448835).

697937053 is a wasteful number, since it uses less digits than its factorization.

697937053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63448834.

The product of its (nonzero) digits is 1071630, while the sum is 49.

The square root of 697937053 is about 26418.4983108427. The cubic root of 697937053 is about 887.0309059195.

The spelling of 697937053 in words is "six hundred ninety-seven million, nine hundred thirty-seven thousand, fifty-three".