69261057 has 12 divisors (see below), whose sum is σ = 100122724. Its totient is φ = 46137600.

The previous prime is 69261029. The next prime is 69261067. The reversal of 69261057 is 75016296.

It can be written as a sum of positive squares in 2 ways, for example, as 13549761 + 55711296 = 3681^2 + 7464^2 .

It is not a de Polignac number, because 69261057 - 2¹⁴ = 69244673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69261067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14073 + ... + 18345.

Almost surely, 2^69261057 is an apocalyptic number.

It is an amenable number.

69261057 is a deficient number, since it is larger than the sum of its proper divisors (30861667).

69261057 is a wasteful number, since it uses less digits than its factorization.

69261057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6080 (or 6077 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 69261057 is about 8322.3228127729. The cubic root of 69261057 is about 410.6732088961.

The spelling of 69261057 in words is "sixty-nine million, two hundred sixty-one thousand, fifty-seven".