1531464495 has 16 divisors (see below), whose sum is σ = 2673101952. Its totient is φ = 742528160.

The previous prime is 1531464491. The next prime is 1531464527. The reversal of 1531464495 is 5944641351.

It is a happy number.

1531464495 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1531464495 - 2² = 1531464491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1531464491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4640637 + ... + 4640966.

It is an arithmetic number, because the mean of its divisors is an integer number (167068872).

Almost surely, 2^1531464495 is an apocalyptic number.

1531464495 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1531464495 is a deficient number, since it is larger than the sum of its proper divisors (1141637457).

1531464495 is a wasteful number, since it uses less digits than its factorization.

1531464495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9281622.

The product of its digits is 259200, while the sum is 42.

The square root of 1531464495 is about 39133.9302268505. The cubic root of 1531464495 is about 1152.6628890342.

It can be divided in two parts, 153146 and 4495, that added together give a triangular number (157641 = T₅₆₁).

The spelling of 1531464495 in words is "one billion, five hundred thirty-one million, four hundred sixty-four thousand, four hundred ninety-five".