961034021 has 16 divisors (see below), whose sum is σ = 1026005760. Its totient is φ = 897039360.

The previous prime is 961034017. The next prime is 961034027. The reversal of 961034021 is 120430169.

It is a cyclic number.

It is not a de Polignac number, because 961034021 - 2² = 961034017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961034027) 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, 1552250 + ... + 1552868.

It is an arithmetic number, because the mean of its divisors is an integer number (64125360).

Almost surely, 2^961034021 is an apocalyptic number.

It is an amenable number.

961034021 is a deficient number, since it is larger than the sum of its proper divisors (64971739).

961034021 is a wasteful number, since it uses less digits than its factorization.

961034021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 961034021 is about 31000.5487209501. The cubic root of 961034021 is about 986.8388852936.

The spelling of 961034021 in words is "nine hundred sixty-one million, thirty-four thousand, twenty-one".