63261497 has 8 divisors (see below), whose sum is σ = 69088320. Its totient is φ = 57571920.

The previous prime is 63261493. The next prime is 63261563. The reversal of 63261497 is 79416236.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63261497 - 2² = 63261493 is a prime.

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 63261497.

It is not an unprimeable number, because it can be changed into a prime (63261493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33347 + ... + 35192.

It is an arithmetic number, because the mean of its divisors is an integer number (8636040).

Almost surely, 2^63261497 is an apocalyptic number.

It is an amenable number.

63261497 is a deficient number, since it is larger than the sum of its proper divisors (5826823).

63261497 is a wasteful number, since it uses less digits than its factorization.

63261497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68623.

The product of its digits is 54432, while the sum is 38.

The square root of 63261497 is about 7953.7096376471. The cubic root of 63261497 is about 398.4554960279.

The spelling of 63261497 in words is "sixty-three million, two hundred sixty-one thousand, four hundred ninety-seven".