62731481 has 2 divisors, whose sum is σ = 62731482. Its totient is φ = 62731480.

The previous prime is 62731469. The next prime is 62731531. The reversal of 62731481 is 18413726.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45225625 + 17505856 = 6725^2 + 4184^2 .

It is a cyclic number.

It is not a de Polignac number, because 62731481 - 2²² = 58537177 is a prime.

It is a super-2 number, since 2×62731481² = 7870477416906722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (62731421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31365740 + 31365741.

It is an arithmetic number, because the mean of its divisors is an integer number (31365741).

Almost surely, 2^62731481 is an apocalyptic number.

It is an amenable number.

62731481 is a deficient number, since it is larger than the sum of its proper divisors (1).

62731481 is an equidigital number, since it uses as much as digits as its factorization.

62731481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 32.

The square root of 62731481 is about 7920.3207637065. The cubic root of 62731481 is about 397.3395969508.

The spelling of 62731481 in words is "sixty-two million, seven hundred thirty-one thousand, four hundred eighty-one".