63379457 has 2 divisors, whose sum is σ = 63379458. Its totient is φ = 63379456.

The previous prime is 63379439. The next prime is 63379489. The reversal of 63379457 is 75497336.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63377521 + 1936 = 7961^2 + 44^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63379457 is a prime.

It is a super-2 number, since 2×63379457² = 8033911139229698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (63375457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31689728 + 31689729.

It is an arithmetic number, because the mean of its divisors is an integer number (31689729).

Almost surely, 2^63379457 is an apocalyptic number.

It is an amenable number.

63379457 is a deficient number, since it is larger than the sum of its proper divisors (1).

63379457 is an equidigital number, since it uses as much as digits as its factorization.

63379457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 476280, while the sum is 44.

The square root of 63379457 is about 7961.1215918362. The cubic root of 63379457 is about 398.7030011135.

It can be divided in two parts, 63379 and 457, that added together give a palindrome (63836).

The spelling of 63379457 in words is "sixty-three million, three hundred seventy-nine thousand, four hundred fifty-seven".