10404025531 has 2 divisors, whose sum is σ = 10404025532. Its totient is φ = 10404025530.

The previous prime is 10404025493. The next prime is 10404025549. The reversal of 10404025531 is 13552040401.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (13552040401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10404025531 - 2⁹ = 10404025019 is a prime.

It is a super-2 number, since 2×10404025531² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10404025496 and 10404025505.

It is not a weakly prime, because it can be changed into another prime (10404025831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5202012765 + 5202012766.

It is an arithmetic number, because the mean of its divisors is an integer number (5202012766).

Almost surely, 2^10404025531 is an apocalyptic number.

10404025531 is a deficient number, since it is larger than the sum of its proper divisors (1).

10404025531 is an equidigital number, since it uses as much as digits as its factorization.

10404025531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 10404025531 its reverse (13552040401), we get a palindrome (23956065932).

The spelling of 10404025531 in words is "ten billion, four hundred four million, twenty-five thousand, five hundred thirty-one".