1021475013 has 16 divisors (see below), whose sum is σ = 1476585600. Its totient is φ = 624377664.

The previous prime is 1021475009. The next prime is 1021475051. The reversal of 1021475013 is 3105741201.

It is not a de Polignac number, because 1021475013 - 2² = 1021475009 is a prime.

It is a super-2 number, since 2×1021475013² = 2086822404366700338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021475053) 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, 82081 + ... + 93702.

It is an arithmetic number, because the mean of its divisors is an integer number (92286600).

Almost surely, 2^1021475013 is an apocalyptic number.

1021475013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1021475013 is a deficient number, since it is larger than the sum of its proper divisors (455110587).

1021475013 is a wasteful number, since it uses less digits than its factorization.

1021475013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175948.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 1021475013 is about 31960.5227272646. The cubic root of 1021475013 is about 1007.1076985952.

The spelling of 1021475013 in words is "one billion, twenty-one million, four hundred seventy-five thousand, thirteen".