61514437 has 2 divisors, whose sum is σ = 61514438. Its totient is φ = 61514436.

The previous prime is 61514429. The next prime is 61514491. The reversal of 61514437 is 73441516.

61514437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61449921 + 64516 = 7839^2 + 254^2 .

It is a cyclic number.

It is not a de Polignac number, because 61514437 - 2³ = 61514429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61514399 and 61514408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61517437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30757218 + 30757219.

It is an arithmetic number, because the mean of its divisors is an integer number (30757219).

Almost surely, 2^61514437 is an apocalyptic number.

It is an amenable number.

61514437 is a deficient number, since it is larger than the sum of its proper divisors (1).

61514437 is an equidigital number, since it uses as much as digits as its factorization.

61514437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 31.

The square root of 61514437 is about 7843.1139861665. The cubic root of 61514437 is about 394.7532229874.

The spelling of 61514437 in words is "sixty-one million, five hundred fourteen thousand, four hundred thirty-seven".