1077512531 has 4 divisors (see below), whose sum is σ = 1081488864. Its totient is φ = 1073536200.

The previous prime is 1077512507. The next prime is 1077512563. The reversal of 1077512531 is 1352157701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1352157701 = 463 ⋅2920427.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1077512531 is a prime.

It is a super-2 number, since 2×1077512531² = 2322066508924051922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1077512731) 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, 1987760 + ... + 1988301.

It is an arithmetic number, because the mean of its divisors is an integer number (270372216).

Almost surely, 2^1077512531 is an apocalyptic number.

1077512531 is a deficient number, since it is larger than the sum of its proper divisors (3976333).

1077512531 is an equidigital number, since it uses as much as digits as its factorization.

1077512531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3976332.

The product of its (nonzero) digits is 7350, while the sum is 32.

The square root of 1077512531 is about 32825.4859979255. The cubic root of 1077512531 is about 1025.1972750573.

The spelling of 1077512531 in words is "one billion, seventy-seven million, five hundred twelve thousand, five hundred thirty-one".