1053452402 has 4 divisors (see below), whose sum is σ = 1580178606. Its totient is φ = 526726200.

The previous prime is 1053452381. The next prime is 1053452423. The reversal of 1053452402 is 2042543501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2042543501 = 18461 ⋅110641.

It is an interprime number because it is at equal distance from previous prime (1053452381) and next prime (1053452423).

It can be written as a sum of positive squares in only one way, i.e., 760049761 + 293402641 = 27569^2 + 17129^2 .

It is a super-2 number, since 2×1053452402² = 2219523926559139208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263363099 + ... + 263363102.

Almost surely, 2^1053452402 is an apocalyptic number.

1053452402 is a deficient number, since it is larger than the sum of its proper divisors (526726204).

1053452402 is an equidigital number, since it uses as much as digits as its factorization.

1053452402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526726203.

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

The square root of 1053452402 is about 32456.9314939043. The cubic root of 1053452402 is about 1017.5091091796.

Adding to 1053452402 its reverse (2042543501), we get a palindrome (3095995903).

The spelling of 1053452402 in words is "one billion, fifty-three million, four hundred fifty-two thousand, four hundred two".