61253963 has 2 divisors, whose sum is σ = 61253964. Its totient is φ = 61253962.

The previous prime is 61253957. The next prime is 61253971. The reversal of 61253963 is 36935216.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61253963 - 2⁴ = 61253947 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (61255963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30626981 + 30626982.

It is an arithmetic number, because the mean of its divisors is an integer number (30626982).

Almost surely, 2^61253963 is an apocalyptic number.

61253963 is a deficient number, since it is larger than the sum of its proper divisors (1).

61253963 is an equidigital number, since it uses as much as digits as its factorization.

61253963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29160, while the sum is 35.

The square root of 61253963 is about 7826.4911039367. The cubic root of 61253963 is about 394.1952595345.

The spelling of 61253963 in words is "sixty-one million, two hundred fifty-three thousand, nine hundred sixty-three".