61253365 has 16 divisors (see below), whose sum is σ = 78497280. Its totient is φ = 45783360.

The previous prime is 61253341. The next prime is 61253377. The reversal of 61253365 is 56335216.

It is not a de Polignac number, because 61253365 - 2¹⁵ = 61220597 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2319 + ... + 11308.

It is an arithmetic number, because the mean of its divisors is an integer number (4906080).

Almost surely, 2^61253365 is an apocalyptic number.

It is an amenable number.

61253365 is a deficient number, since it is larger than the sum of its proper divisors (17243915).

61253365 is a wasteful number, since it uses less digits than its factorization.

61253365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13692.

The product of its digits is 16200, while the sum is 31.

The square root of 61253365 is about 7826.4529002608. The cubic root of 61253365 is about 394.1939767357.

The spelling of 61253365 in words is "sixty-one million, two hundred fifty-three thousand, three hundred sixty-five".