516042025 has 24 divisors (see below), whose sum is σ = 658216800. Its totient is φ = 401174400.

The previous prime is 516042019. The next prime is 516042073. The reversal of 516042025 is 520240615.

It is not a de Polignac number, because 516042025 - 2⁵ = 516041993 is a prime.

It is a super-2 number, since 2×516042025² = 532598743132201250, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 129310 + ... + 133240.

It is an arithmetic number, because the mean of its divisors is an integer number (27425700).

Almost surely, 2^516042025 is an apocalyptic number.

It is an amenable number.

516042025 is a deficient number, since it is larger than the sum of its proper divisors (142174775).

516042025 is a wasteful number, since it uses less digits than its factorization.

516042025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4089 (or 4084 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 516042025 is about 22716.5583881010. The cubic root of 516042025 is about 802.0997055784.

The spelling of 516042025 in words is "five hundred sixteen million, forty-two thousand, twenty-five".