1253400524 has 12 divisors (see below), whose sum is σ = 2193991464. Its totient is φ = 626545824.

The previous prime is 1253400523. The next prime is 1253400539. The reversal of 1253400524 is 4250043521.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1253400493 and 1253400502.

It is not an unprimeable number, because it can be changed into a prime (1253400521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19274 + ... + 53649.

It is an arithmetic number, because the mean of its divisors is an integer number (182832622).

Almost surely, 2^1253400524 is an apocalyptic number.

It is an amenable number.

1253400524 is a deficient number, since it is larger than the sum of its proper divisors (940590940).

1253400524 is a wasteful number, since it uses less digits than its factorization.

1253400524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77224 (or 77222 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 1253400524 is about 35403.3970686430. The cubic root of 1253400524 is about 1078.1932881414.

The spelling of 1253400524 in words is "one billion, two hundred fifty-three million, four hundred thousand, five hundred twenty-four".