402114420520525 has 6 divisors (see below), whose sum is σ = 498621881445482. Its totient is φ = 321691536416400.

The previous prime is 402114420520513. The next prime is 402114420520537. The reversal of 402114420520525 is 525025024411204.

It is an interprime number because it is at equal distance from previous prime (402114420520513) and next prime (402114420520537).

It can be written as a sum of positive squares in 3 ways, for example, as 54127258837129 + 347987161683396 = 7357123^2 + 18654414^2 .

It is not a de Polignac number, because 402114420520525 - 2⁹ = 402114420520013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8042288410386 + ... + 8042288410435.

Almost surely, 2^{402114420520525} is an apocalyptic number.

It is an amenable number.

402114420520525 is a deficient number, since it is larger than the sum of its proper divisors (96507460924957).

402114420520525 is a wasteful number, since it uses less digits than its factorization.

402114420520525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16084576820831 (or 16084576820826 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 37.

Adding to 402114420520525 its reverse (525025024411204), we get a palindrome (927139444931729).

The spelling of 402114420520525 in words is "four hundred two trillion, one hundred fourteen billion, four hundred twenty million, five hundred twenty thousand, five hundred twenty-five".