1551002452 has 24 divisors (see below), whose sum is σ = 2886578240. Its totient is φ = 727107840.

The previous prime is 1551002413. The next prime is 1551002461. The reversal of 1551002452 is 2542001551.

It is a super-2 number, since 2×1551002452² = 4811217212220024608, 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 7 ways as a sum of consecutive naturals, for example, 97824 + ... + 112567.

Almost surely, 2^1551002452 is an apocalyptic number.

It is an amenable number.

1551002452 is a deficient number, since it is larger than the sum of its proper divisors (1335575788).

1551002452 is a wasteful number, since it uses less digits than its factorization.

1551002452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210511 (or 210509 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 1551002452 is about 39382.7684654088. The cubic root of 1551002452 is about 1157.5439642954.

Subtracting 1551002452 from its reverse (2542001551), we obtain a palindrome (990999099).

The spelling of 1551002452 in words is "one billion, five hundred fifty-one million, two thousand, four hundred fifty-two".