53210025 has 36 divisors (see below), whose sum is σ = 103974000. Its totient is φ = 25797600.

The previous prime is 53210023. The next prime is 53210081. The reversal of 53210025 is 52001235.

53210025 = 1007² + 1008² + ... + 1056².

It is a happy number.

It is not a de Polignac number, because 53210025 - 2¹ = 53210023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53210023) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8275 + ... + 13224.

Almost surely, 2^53210025 is an apocalyptic number.

53210025 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53210025 is a deficient number, since it is larger than the sum of its proper divisors (50763975).

53210025 is a wasteful number, since it uses less digits than its factorization.

53210025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21526 (or 21518 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 53210025 is about 7294.5202035501. The cubic root of 53210025 is about 376.1240937352.

The spelling of 53210025 in words is "fifty-three million, two hundred ten thousand, twenty-five".