1057538253 has 8 divisors (see below), whose sum is σ = 1410680448. Its totient is φ = 704710784.

The previous prime is 1057538249. The next prime is 1057538267. The reversal of 1057538253 is 3528357501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1057538253 - 2² = 1057538249 is a prime.

It is a super-2 number, since 2×1057538253² = 2236774313116584018, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057538213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70725 + ... + 84362.

It is an arithmetic number, because the mean of its divisors is an integer number (176335056).

Almost surely, 2^1057538253 is an apocalyptic number.

It is an amenable number.

1057538253 is a deficient number, since it is larger than the sum of its proper divisors (353142195).

1057538253 is a wasteful number, since it uses less digits than its factorization.

1057538253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157363.

The product of its (nonzero) digits is 126000, while the sum is 39.

The square root of 1057538253 is about 32519.8132374711. The cubic root of 1057538253 is about 1018.8228933603.

It can be divided in two parts, 10575 and 38253, that added together give a triangular number (48828 = T₃₁₂).

The spelling of 1057538253 in words is "one billion, fifty-seven million, five hundred thirty-eight thousand, two hundred fifty-three".