7542051357 has 4 divisors (see below), whose sum is σ = 10056068480. Its totient is φ = 5028034236.

The previous prime is 7542051353. The next prime is 7542051367. The reversal of 7542051357 is 7531502457.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7531502457 = 3 ⋅2510500819.

It is not a de Polignac number, because 7542051357 - 2² = 7542051353 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7542051353) 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, 1257008557 + ... + 1257008562.

It is an arithmetic number, because the mean of its divisors is an integer number (2514017120).

Almost surely, 2^7542051357 is an apocalyptic number.

It is an amenable number.

7542051357 is a deficient number, since it is larger than the sum of its proper divisors (2514017123).

7542051357 is a wasteful number, since it uses less digits than its factorization.

7542051357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2514017122.

The product of its (nonzero) digits is 147000, while the sum is 39.

The square root of 7542051357 is about 86844.9846392985. The cubic root of 7542051357 is about 1961.0853489159.

The spelling of 7542051357 in words is "seven billion, five hundred forty-two million, fifty-one thousand, three hundred fifty-seven".