61380495 has 24 divisors (see below), whose sum is σ = 116065872. Its totient is φ = 29760000.

The previous prime is 61380463. The next prime is 61380499. The reversal of 61380495 is 59408316.

It is not a de Polignac number, because 61380495 - 2⁵ = 61380463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61380499) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61506 + ... + 62495.

It is an arithmetic number, because the mean of its divisors is an integer number (4836078).

Almost surely, 2^61380495 is an apocalyptic number.

61380495 is a deficient number, since it is larger than the sum of its proper divisors (54685377).

61380495 is a wasteful number, since it uses less digits than its factorization.

61380495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124023 (or 124020 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 61380495 is about 7834.5705051394. The cubic root of 61380495 is about 394.4665019001.

The spelling of 61380495 in words is "sixty-one million, three hundred eighty thousand, four hundred ninety-five".