35531402025 has 48 divisors (see below), whose sum is σ = 68698809344. Its totient is φ = 15865174080.

The previous prime is 35531402017. The next prime is 35531402063. The reversal of 35531402025 is 52020413553.

It is not a de Polignac number, because 35531402025 - 2³ = 35531402017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 35531401983 and 35531402001.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 764389 + ... + 809538.

Almost surely, 2^35531402025 is an apocalyptic number.

35531402025 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

35531402025 is a deficient number, since it is larger than the sum of its proper divisors (33167407319).

35531402025 is a wasteful number, since it uses less digits than its factorization.

35531402025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573990 (or 1573985 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 35531402025 its reverse (52020413553), we get a palindrome (87551815578).

The spelling of 35531402025 in words is "thirty-five billion, five hundred thirty-one million, four hundred two thousand, twenty-five".