61562503 has 2 divisors, whose sum is σ = 61562504. Its totient is φ = 61562502.

The previous prime is 61562477. The next prime is 61562507. The reversal of 61562503 is 30526516.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61562503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61562507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30781251 + 30781252.

It is an arithmetic number, because the mean of its divisors is an integer number (30781252).

Almost surely, 2^61562503 is an apocalyptic number.

61562503 is a deficient number, since it is larger than the sum of its proper divisors (1).

61562503 is an equidigital number, since it uses as much as digits as its factorization.

61562503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 61562503 is about 7846.1776044135. The cubic root of 61562503 is about 394.8560133213.

The spelling of 61562503 in words is "sixty-one million, five hundred sixty-two thousand, five hundred three".