38725651 has 2 divisors, whose sum is σ = 38725652. Its totient is φ = 38725650.

The previous prime is 38725649. The next prime is 38725691. The reversal of 38725651 is 15652783.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38725651 - 2¹ = 38725649 is a prime.

Together with 38725649, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 38725651.

It is not a weakly prime, because it can be changed into another prime (38725691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19362825 + 19362826.

It is an arithmetic number, because the mean of its divisors is an integer number (19362826).

Almost surely, 2^38725651 is an apocalyptic number.

38725651 is a deficient number, since it is larger than the sum of its proper divisors (1).

38725651 is an equidigital number, since it uses as much as digits as its factorization.

38725651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50400, while the sum is 37.

The square root of 38725651 is about 6222.9937329231. The cubic root of 38725651 is about 338.3240796539.

The spelling of 38725651 in words is "thirty-eight million, seven hundred twenty-five thousand, six hundred fifty-one".