2351661532 has 48 divisors (see below), whose sum is σ = 4550515200. Its totient is φ = 1054511360.

The previous prime is 2351661523. The next prime is 2351661547.

2351661532 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×2351661532² = 11060623922177174048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1187319 + ... + 1189297.

It is an arithmetic number, because the mean of its divisors is an integer number (94802400).

Almost surely, 2^2351661532 is an apocalyptic number.

2351661532 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2351661532 is a deficient number, since it is larger than the sum of its proper divisors (2198853668).

2351661532 is a wasteful number, since it uses less digits than its factorization.

2351661532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2346 (or 2344 counting only the distinct ones).

The product of its digits is 32400, while the sum is 34.

The square root of 2351661532 is about 48493.9329401112. The cubic root of 2351661532 is about 1329.8161563967.

The spelling of 2351661532 in words is "two billion, three hundred fifty-one million, six hundred sixty-one thousand, five hundred thirty-two".