612548252 has 6 divisors (see below), whose sum is σ = 1071959448. Its totient is φ = 306274124.

The previous prime is 612548243. The next prime is 612548263. The reversal of 612548252 is 252845216.

It is a super-2 number, since 2×612548252² = 750430722056511008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76568528 + ... + 76568535.

It is an arithmetic number, because the mean of its divisors is an integer number (178659908).

Almost surely, 2^612548252 is an apocalyptic number.

It is an amenable number.

612548252 is a deficient number, since it is larger than the sum of its proper divisors (459411196).

612548252 is a wasteful number, since it uses less digits than its factorization.

612548252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153137067 (or 153137065 counting only the distinct ones).

The product of its digits is 38400, while the sum is 35.

The square root of 612548252 is about 24749.7121599424. The cubic root of 612548252 is about 849.2719264839.

The spelling of 612548252 in words is "six hundred twelve million, five hundred forty-eight thousand, two hundred fifty-two".