61626045 has 16 divisors (see below), whose sum is σ = 106186752. Its totient is φ = 30338880.

The previous prime is 61626041. The next prime is 61626049. The reversal of 61626045 is 54062616.

It is an interprime number because it is at equal distance from previous prime (61626041) and next prime (61626049).

It is not a de Polignac number, because 61626045 - 2² = 61626041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61626041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157821 + ... + 158210.

It is an arithmetic number, because the mean of its divisors is an integer number (6636672).

Almost surely, 2^61626045 is an apocalyptic number.

61626045 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

61626045 is a deficient number, since it is larger than the sum of its proper divisors (44560707).

61626045 is a wasteful number, since it uses less digits than its factorization.

61626045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316052.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 61626045 is about 7850.2257929311. The cubic root of 61626045 is about 394.9918173811.

The spelling of 61626045 in words is "sixty-one million, six hundred twenty-six thousand, forty-five".