1061951013 has 32 divisors (see below), whose sum is σ = 1611960320. Its totient is φ = 690742080.

The previous prime is 1061950999. The next prime is 1061951017. The reversal of 1061951013 is 3101591601.

1061951013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1061951013 - 2⁹ = 1061950501 is a prime.

It is a super-2 number, since 2×1061951013² = 2255479908023452338, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061951017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 206631 + ... + 211707.

It is an arithmetic number, because the mean of its divisors is an integer number (50373760).

Almost surely, 2^1061951013 is an apocalyptic number.

It is an amenable number.

1061951013 is a deficient number, since it is larger than the sum of its proper divisors (550009307).

1061951013 is a wasteful number, since it uses less digits than its factorization.

1061951013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5274 (or 5268 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 27.

The square root of 1061951013 is about 32587.5898617863. The cubic root of 1061951013 is about 1020.2379980965.

The spelling of 1061951013 in words is "one billion, sixty-one million, nine hundred fifty-one thousand, thirteen".