63057961 has 4 divisors (see below), whose sum is σ = 64126800. Its totient is φ = 61989124.

The previous prime is 63057931. The next prime is 63057971. The reversal of 63057961 is 16975036.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 63057961 - 2⁷ = 63057833 is a prime.

It is a super-3 number, since 3×63057961³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63057961.

It is not an unprimeable number, because it can be changed into a prime (63057901) 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, 534331 + ... + 534448.

It is an arithmetic number, because the mean of its divisors is an integer number (16031700).

Almost surely, 2^63057961 is an apocalyptic number.

It is an amenable number.

63057961 is a deficient number, since it is larger than the sum of its proper divisors (1068839).

63057961 is a wasteful number, since it uses less digits than its factorization.

63057961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068838.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 63057961 is about 7940.9042935928. The cubic root of 63057961 is about 398.0277099130.

The spelling of 63057961 in words is "sixty-three million, fifty-seven thousand, nine hundred sixty-one".