212265025 has 12 divisors (see below), whose sum is σ = 300810112. Its totient is φ = 145553040.

The previous prime is 212265013. The next prime is 212265037. The reversal of 212265025 is 520562212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (212265013) and next prime (212265037).

It is not a de Polignac number, because 212265025 - 2⁹ = 212264513 is a prime.

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

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 606297 + ... + 606646.

Almost surely, 2^212265025 is an apocalyptic number.

212265025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

212265025 is a deficient number, since it is larger than the sum of its proper divisors (88545087).

212265025 is a wasteful number, since it uses less digits than its factorization.

212265025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212960 (or 1212955 counting only the distinct ones).

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

The square root of 212265025 is about 14569.3179318731. The cubic root of 212265025 is about 596.5215629104.

It can be divided in two parts, 212 and 265025, that multiplied together give a triangular number (56185300 = T₁₀₆₀₀).

The spelling of 212265025 in words is "two hundred twelve million, two hundred sixty-five thousand, twenty-five".