8725692401 has 2 divisors, whose sum is σ = 8725692402. Its totient is φ = 8725692400.

The previous prime is 8725692341. The next prime is 8725692407. The reversal of 8725692401 is 1042965278.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7204614400 + 1521078001 = 84880^2 + 39001^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8725692401 is a prime.

It is a super-2 number, since 2×8725692401² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8725692407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4362846200 + 4362846201.

It is an arithmetic number, because the mean of its divisors is an integer number (4362846201).

Almost surely, 2^8725692401 is an apocalyptic number.

It is an amenable number.

8725692401 is a deficient number, since it is larger than the sum of its proper divisors (1).

8725692401 is an equidigital number, since it uses as much as digits as its factorization.

8725692401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 8725692401 is about 93411.4147253964. The cubic root of 8725692401 is about 2058.7327173408.

The spelling of 8725692401 in words is "eight billion, seven hundred twenty-five million, six hundred ninety-two thousand, four hundred one".