542215025 has 12 divisors (see below), whose sum is σ = 733469424. Its totient is φ = 394338000.

The previous prime is 542215021. The next prime is 542215039. The reversal of 542215025 is 520512245.

It is not a de Polignac number, because 542215025 - 2² = 542215021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 542214985 and 542215003.

It is not an unprimeable number, because it can be changed into a prime (542215021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 985571 + ... + 986120.

It is an arithmetic number, because the mean of its divisors is an integer number (61122452).

Almost surely, 2^542215025 is an apocalyptic number.

542215025 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

542215025 is a deficient number, since it is larger than the sum of its proper divisors (191254399).

542215025 is a wasteful number, since it uses less digits than its factorization.

542215025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1971712 (or 1971707 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 542215025 is about 23285.5110530132. The cubic root of 542215025 is about 815.4371925104.

The spelling of 542215025 in words is "five hundred forty-two million, two hundred fifteen thousand, twenty-five".