61023625 has 48 divisors (see below), whose sum is σ = 88727184. Its totient is φ = 41510400.

The previous prime is 61023601. The next prime is 61023643. The reversal of 61023625 is 52632016.

It can be written as a sum of positive squares in 8 ways, for example, as 22534009 + 38489616 = 4747^2 + 6204^2 .

It is not a de Polignac number, because 61023625 - 2⁹ = 61023113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 61023625.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1298352 + ... + 1298398.

It is an arithmetic number, because the mean of its divisors is an integer number (1848483).

Almost surely, 2^61023625 is an apocalyptic number.

61023625 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

61023625 is a deficient number, since it is larger than the sum of its proper divisors (27703559).

61023625 is a wasteful number, since it uses less digits than its factorization.

61023625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 61023625 is about 7811.7619651395. The cubic root of 61023625 is about 393.7005312842.

61023625 divided by its sum of digits (25) gives a triangular number (2440945 = T₂₂₀₉).

The spelling of 61023625 in words is "sixty-one million, twenty-three thousand, six hundred twenty-five".