245253630 has 32 divisors (see below), whose sum is σ = 594117504. Its totient is φ = 64788896.

The previous prime is 245253607. The next prime is 245253641. The reversal of 245253630 is 36352542.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34992 + ... + 41411.

It is an arithmetic number, because the mean of its divisors is an integer number (18566172).

Almost surely, 2^245253630 is an apocalyptic number.

245253630 is an abundant number, since it is smaller than the sum of its proper divisors (348863874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245253630 is a wasteful number, since it uses less digits than its factorization.

245253630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76520.

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 245253630 is about 15660.5756599175. The cubic root of 245253630 is about 625.9483246275.

The spelling of 245253630 in words is "two hundred forty-five million, two hundred fifty-three thousand, six hundred thirty".