1525212452 has 12 divisors (see below), whose sum is σ = 2669402736. Its totient is φ = 762525960.

The previous prime is 1525212427. The next prime is 1525212467. The reversal of 1525212452 is 2542125251.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49427 + ... + 74117.

It is an arithmetic number, because the mean of its divisors is an integer number (222450228).

Almost surely, 2^1525212452 is an apocalyptic number.

It is an amenable number.

1525212452 is a deficient number, since it is larger than the sum of its proper divisors (1144190284).

1525212452 is a wasteful number, since it uses less digits than its factorization.

1525212452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40138 (or 40136 counting only the distinct ones).

The product of its digits is 8000, while the sum is 29.

The square root of 1525212452 is about 39053.9684539228. The cubic root of 1525212452 is about 1151.0922079720.

The spelling of 1525212452 in words is "one billion, five hundred twenty-five million, two hundred twelve thousand, four hundred fifty-two".