690060625 has 10 divisors (see below), whose sum is σ = 862300538. Its totient is φ = 552048000.

The previous prime is 690060611. The next prime is 690060641. The reversal of 690060625 is 526060096.

It can be written as a sum of positive squares in 5 ways, for example, as 103306896 + 586753729 = 10164^2 + 24223^2 .

It is not a de Polignac number, because 690060625 - 2⁵ = 690060593 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 551424 + ... + 552673.

Almost surely, 2^690060625 is an apocalyptic number.

It is an amenable number.

690060625 is a deficient number, since it is larger than the sum of its proper divisors (172239913).

690060625 is an equidigital number, since it uses as much as digits as its factorization.

690060625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104117 (or 1104102 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 690060625 is about 26269.0050249339. The cubic root of 690060625 is about 883.6814714922.

The spelling of 690060625 in words is "six hundred ninety million, sixty thousand, six hundred twenty-five".