38529961 has 2 divisors, whose sum is σ = 38529962. Its totient is φ = 38529960.

The previous prime is 38529947. The next prime is 38529971. The reversal of 38529961 is 16992583.

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., 38192400 + 337561 = 6180^2 + 581^2 .

It is a cyclic number.

It is not a de Polignac number, because 38529961 - 2⁷ = 38529833 is a prime.

It is not a weakly prime, because it can be changed into another prime (38529901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19264980 + 19264981.

It is an arithmetic number, because the mean of its divisors is an integer number (19264981).

Almost surely, 2^38529961 is an apocalyptic number.

It is an amenable number.

38529961 is a deficient number, since it is larger than the sum of its proper divisors (1).

38529961 is an equidigital number, since it uses as much as digits as its factorization.

38529961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 43.

The square root of 38529961 is about 6207.2506796488. The cubic root of 38529961 is about 337.7532394752.

The spelling of 38529961 in words is "thirty-eight million, five hundred twenty-nine thousand, nine hundred sixty-one".