104057531 has 2 divisors, whose sum is σ = 104057532. Its totient is φ = 104057530.

The previous prime is 104057507. The next prime is 104057557. The reversal of 104057531 is 135750401.

It is an a-pointer prime, because the next prime (104057557) can be obtained adding 104057531 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104057531 is a prime.

It is a super-2 number, since 2×104057531² = 21655939515631922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 104057531.

It is not a weakly prime, because it can be changed into another prime (104057581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52028765 + 52028766.

It is an arithmetic number, because the mean of its divisors is an integer number (52028766).

Almost surely, 2^104057531 is an apocalyptic number.

104057531 is a deficient number, since it is larger than the sum of its proper divisors (1).

104057531 is an equidigital number, since it uses as much as digits as its factorization.

104057531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 104057531 is about 10200.8593265470. The cubic root of 104057531 is about 470.3536360696.

The spelling of 104057531 in words is "one hundred four million, fifty-seven thousand, five hundred thirty-one".