1057450302 has 20 divisors (see below), whose sum is σ = 2369472336. Its totient is φ = 352483380.

The previous prime is 1057450283. The next prime is 1057450307. The reversal of 1057450302 is 2030547501.

It is a happy number.

1057450302 is a `hidden beast` number, since 10 + 574 + 50 + 30 + 2 = 666.

It is a super-2 number, since 2×1057450302² = 2236402282399782408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057450307) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3263574 + ... + 3263897.

Almost surely, 2^1057450302 is an apocalyptic number.

1057450302 is an abundant number, since it is smaller than the sum of its proper divisors (1312022034).

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

1057450302 is an equidigital number, since it uses as much as digits as its factorization.

1057450302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6527485 (or 6527476 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 1057450302 is about 32518.4609414406. The cubic root of 1057450302 is about 1018.7946488417.

Adding to 1057450302 its reverse (2030547501), we get a palindrome (3087997803).

The spelling of 1057450302 in words is "one billion, fifty-seven million, four hundred fifty thousand, three hundred two".