63454957 has 4 divisors (see below), whose sum is σ = 63517536. Its totient is φ = 63392380.

The previous prime is 63454943. The next prime is 63454969. The reversal of 63454957 is 75945436.

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 63454957 - 2¹⁹ = 62930669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63454997) 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, 29743 + ... + 31804.

It is an arithmetic number, because the mean of its divisors is an integer number (15879384).

Almost surely, 2^63454957 is an apocalyptic number.

It is an amenable number.

63454957 is a deficient number, since it is larger than the sum of its proper divisors (62579).

63454957 is a wasteful number, since it uses less digits than its factorization.

63454957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62578.

The product of its digits is 453600, while the sum is 43.

The square root of 63454957 is about 7965.8619747018. The cubic root of 63454957 is about 398.8612549758.

The spelling of 63454957 in words is "sixty-three million, four hundred fifty-four thousand, nine hundred fifty-seven".