525152340 has 36 divisors (see below), whose sum is σ = 1592962644. Its totient is φ = 140040576.

The previous prime is 525152323. The next prime is 525152347. The reversal of 525152340 is 43251525.

It is a happy number.

525152340 is a `hidden beast` number, since 52 + 51 + 523 + 40 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 91929744 + 433222596 = 9588^2 + 20814^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525152347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1458577 + ... + 1458936.

Almost surely, 2^525152340 is an apocalyptic number.

It is an amenable number.

525152340 is an abundant number, since it is smaller than the sum of its proper divisors (1067810304).

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

525152340 is a wasteful number, since it uses less digits than its factorization.

525152340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2917528 (or 2917523 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 525152340 is about 22916.2025649975. The cubic root of 525152340 is about 806.7923439488.

The spelling of 525152340 in words is "five hundred twenty-five million, one hundred fifty-two thousand, three hundred forty".