1552680631 has 4 divisors (see below), whose sum is σ = 1553093352. Its totient is φ = 1552267912.

The previous prime is 1552680559. The next prime is 1552680637. The reversal of 1552680631 is 1360862551.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1552680631 - 2⁹ = 1552680119 is a prime.

It is a super-2 number, since 2×1552680631² = 4821634283765116322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552680637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200665 + ... + 208258.

It is an arithmetic number, because the mean of its divisors is an integer number (388273338).

Almost surely, 2^1552680631 is an apocalyptic number.

1552680631 is a deficient number, since it is larger than the sum of its proper divisors (412721).

1552680631 is an equidigital number, since it uses as much as digits as its factorization.

1552680631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412720.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 1552680631 is about 39404.0687112384. The cubic root of 1552680631 is about 1157.9612999298.

The spelling of 1552680631 in words is "one billion, five hundred fifty-two million, six hundred eighty thousand, six hundred thirty-one".