62621231 has 2 divisors, whose sum is σ = 62621232. Its totient is φ = 62621230.

The previous prime is 62621173. The next prime is 62621239. The reversal of 62621231 is 13212626.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 62621231 - 2¹⁴ = 62604847 is a prime.

It is a super-2 number, since 2×62621231² = 7842837143910722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 62621197 and 62621206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (62621239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31310615 + 31310616.

It is an arithmetic number, because the mean of its divisors is an integer number (31310616).

Almost surely, 2^62621231 is an apocalyptic number.

62621231 is a deficient number, since it is larger than the sum of its proper divisors (1).

62621231 is an equidigital number, since it uses as much as digits as its factorization.

62621231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 23.

The square root of 62621231 is about 7913.3577576147. The cubic root of 62621231 is about 397.1066868912.

Adding to 62621231 its reverse (13212626), we get a palindrome (75833857).

The spelling of 62621231 in words is "sixty-two million, six hundred twenty-one thousand, two hundred thirty-one".