3155240252 has 18 divisors (see below), whose sum is σ = 5718644568. Its totient is φ = 1523217808.

The previous prime is 3155240227. The next prime is 3155240261. The reversal of 3155240252 is 2520425513.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 465608 + ... + 472335.

It is an arithmetic number, because the mean of its divisors is an integer number (317702476).

Almost surely, 2^3155240252 is an apocalyptic number.

It is an amenable number.

3155240252 is a deficient number, since it is larger than the sum of its proper divisors (2563404316).

3155240252 is a wasteful number, since it uses less digits than its factorization.

3155240252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938005 (or 937974 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 3155240252 is about 56171.5252774927. The cubic root of 3155240252 is about 1466.7096337504.

Adding to 3155240252 its reverse (2520425513), we get a palindrome (5675665765).

The spelling of 3155240252 in words is "three billion, one hundred fifty-five million, two hundred forty thousand, two hundred fifty-two".