1552400131 has 8 divisors (see below), whose sum is σ = 1607054400. Its totient is φ = 1497820800.

The previous prime is 1552400123. The next prime is 1552400159. The reversal of 1552400131 is 1310042551.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1552400131 - 2³ = 1552400123 is a prime.

It is a super-2 number, since 2×1552400131² = 4819892333457634322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1552400431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25206 + ... + 61156.

It is an arithmetic number, because the mean of its divisors is an integer number (200881800).

Almost surely, 2^1552400131 is an apocalyptic number.

1552400131 is a deficient number, since it is larger than the sum of its proper divisors (54654269).

1552400131 is a wasteful number, since it uses less digits than its factorization.

1552400131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37469.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1552400131 is about 39400.5092733584. The cubic root of 1552400131 is about 1157.8915651113.

Adding to 1552400131 its reverse (1310042551), we get a palindrome (2862442682).

The spelling of 1552400131 in words is "one billion, five hundred fifty-two million, four hundred thousand, one hundred thirty-one".