2251152532 has 12 divisors (see below), whose sum is σ = 3941179956. Its totient is φ = 1125101120.

The previous prime is 2251152517. The next prime is 2251152551. The reversal of 2251152532 is 2352511522.

It can be written as a sum of positive squares in 2 ways, for example, as 189447696 + 2061704836 = 13764^2 + 45406^2 .

It is a super-2 number, since 2×2251152532² = 10135375444660022048, 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 2251152532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108019 + ... + 127162.

It is an arithmetic number, because the mean of its divisors is an integer number (328431663).

Almost surely, 2^2251152532 is an apocalyptic number.

It is an amenable number.

2251152532 is a deficient number, since it is larger than the sum of its proper divisors (1690027424).

2251152532 is a wasteful number, since it uses less digits than its factorization.

2251152532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237578 (or 237576 counting only the distinct ones).

The product of its digits is 6000, while the sum is 28.

The square root of 2251152532 is about 47446.3121011528. The cubic root of 2251152532 is about 1310.5943987883.

The spelling of 2251152532 in words is "two billion, two hundred fifty-one million, one hundred fifty-two thousand, five hundred thirty-two".