69257401 has 4 divisors (see below), whose sum is σ = 69892900. Its totient is φ = 68621904.

The previous prime is 69257359. The next prime is 69257407. The reversal of 69257401 is 10475296.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 60466176 + 8791225 = 7776^2 + 2965^2 .

It is a cyclic number.

It is not a de Polignac number, because 69257401 - 2¹¹ = 69255353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69257407) 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, 317586 + ... + 317803.

It is an arithmetic number, because the mean of its divisors is an integer number (17473225).

Almost surely, 2^69257401 is an apocalyptic number.

It is an amenable number.

69257401 is a deficient number, since it is larger than the sum of its proper divisors (635499).

69257401 is a wasteful number, since it uses less digits than its factorization.

69257401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635498.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 69257401 is about 8322.1031596586. The cubic root of 69257401 is about 410.6659828650.

The spelling of 69257401 in words is "sixty-nine million, two hundred fifty-seven thousand, four hundred one".