61314437 has 2 divisors, whose sum is σ = 61314438. Its totient is φ = 61314436.

The previous prime is 61314413. The next prime is 61314443. The reversal of 61314437 is 73441316.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54893281 + 6421156 = 7409^2 + 2534^2 .

It is a cyclic number.

It is not a de Polignac number, because 61314437 - 2¹⁸ = 61052293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61314037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30657218 + 30657219.

It is an arithmetic number, because the mean of its divisors is an integer number (30657219).

Almost surely, 2^61314437 is an apocalyptic number.

It is an amenable number.

61314437 is a deficient number, since it is larger than the sum of its proper divisors (1).

61314437 is an equidigital number, since it uses as much as digits as its factorization.

61314437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 29.

The square root of 61314437 is about 7830.3535680070. The cubic root of 61314437 is about 394.3249421556.

The spelling of 61314437 in words is "sixty-one million, three hundred fourteen thousand, four hundred thirty-seven".